Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberDE3019903 A1
Publication typeApplication
Application numberDE19803019903
Publication date11 Dec 1980
Filing date23 May 1980
Priority date8 Jun 1979
Also published asCA1136698A, CA1136698A1, DE3019903C2, US4262237
Publication number19803019903, 803019903, DE 3019903 A1, DE 3019903A1, DE-A1-3019903, DE19803019903, DE3019903 A1, DE3019903A1, DE803019903
InventorsRobert Bruce Gelenius
ApplicantGen Motors Corp
Export CitationBiBTeX, EndNote, RefMan
External Links: DPMA, Espacenet
Ansteuersystem fuer einen kommutatorlosen gleichstrommotor Drive system for a commutator DC motor translated from German
DE 3019903 A1
Abstract  available in
Description  available in
Claims  available in
Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
*DE2428178B2 Title not available
DE2450968A1 *26 Oct 19747 May 1975Sony CorpAntriebsstromkreis fuer einen buerstenlosen gleichstrommotor
DE3013550A1 *9 Apr 198030 Oct 1980Gen Motors CorpAnsteuersystem fuer einen kommutatorlosen gleichstrommotor
Non-Patent Citations
Reference
1 *PHILIPPOW: Taschenbuch Elektrotechnik Bd.5, Bild 1.197, VEB-Verlag Technik, Berlin 1979, ISBN 3-341-00017-8 Konferenzbericht IAS Annual Meeting, 1977, S.747-757
2 *Seminarunterlagen des Internationalen Elektronik-Zentrums, München, 18. u. 19.6.1974
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
DE3233096A1 *7 Sep 198220 Oct 1983Gen ElectricElektronisch kommutierter motor, waschmaschine, verfahren zum betreiben derselben, steuerschaltung und waschmaschinenantrieb
Classifications
International ClassificationH02P6/18, H02P6/20
Cooperative ClassificationH02P6/20
European ClassificationH02P6/20
Legal Events
DateCodeEventDescription
9 May 19858110Request for examination paragraph 44
5 Jun 19858125Change of the main classification
Ipc: H02K 29/02
12 Oct 1989D2Grant after examination
15 Mar 19908363Opposition against the patent
24 Sep 19928331Complete revocation